Control panel



FIG. 1 is a front elevation view of a control panel in accordance with my new design;

FIG. 2 is a left, side elevation view thereof;

FIG. 3 is a right, side elevation view thereof; and,

FIG. 4 is a rear side elevation view thereof.

The dashed lines shown in the figures represent unclaimed subject matter and form no part of the claimed design. 

The ornamental design for the control panel, as shown and described. 